109002001 has 4 divisors (see below), whose sum is σ = 109604404. Its totient is φ = 108399600.

The previous prime is 109001989. The next prime is 109002007. The reversal of 109002001 is 100200901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2808976 + 106193025 = 1676^2 + 10305^2 .

It is a cyclic number.

It is not a de Polignac number, because 109002001 - 2¹⁵ = 108969233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109002007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300930 + ... + 301291.

It is an arithmetic number, because the mean of its divisors is an integer number (27401101).

Almost surely, 2^109002001 is an apocalyptic number.

It is an amenable number.

109002001 is a deficient number, since it is larger than the sum of its proper divisors (602403).

109002001 is an equidigital number, since it uses as much as digits as its factorization.

109002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602402.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 109002001 is about 10440.4023389906. The cubic root of 109002001 is about 477.6885411710.

Adding to 109002001 its reverse (100200901), we get a palindrome (209202902).

The spelling of 109002001 in words is "one hundred nine million, two thousand, one".